A breeding bird of fast-flowing, upland rivers, the grey wagtail can also be seen in lowland areas, farmyards and even towns in winter.

A most familiar seashore inhabitant, the common starfish truly lives up to its name in UK seas and rockpools!

This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.

The common octopus is a highly intelligent, active predator. It even has a secret weapon - special glands produce a venom that it uses to incapacitate its prey!

Selfheal is a low-growing, creeping plant that likes the short turf of grasslands, roadside verges or even lawns. Its clusters of violet flowers appear in summer.

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).